DE69115738D1 - Verfahren zur Kodierung von Bilddaten - Google Patents
Verfahren zur Kodierung von BilddatenInfo
- Publication number
- DE69115738D1 DE69115738D1 DE69115738T DE69115738T DE69115738D1 DE 69115738 D1 DE69115738 D1 DE 69115738D1 DE 69115738 T DE69115738 T DE 69115738T DE 69115738 T DE69115738 T DE 69115738T DE 69115738 D1 DE69115738 D1 DE 69115738D1
- Authority
- DE
- Germany
- Prior art keywords
- image data
- coding image
- coding
- data
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/41—Bandwidth or redundancy reduction
- H04N1/411—Bandwidth or redundancy reduction for the transmission or storage or reproduction of two-tone pictures, e.g. black and white pictures
- H04N1/413—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information
- H04N1/417—Systems or arrangements allowing the picture to be reproduced without loss or modification of picture-information using predictive or differential encoding
- H04N1/4172—Progressive encoding, i.e. by decomposition into high and low resolution components
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T9/00—Image coding
- G06T9/004—Predictors, e.g. intraframe, interframe coding
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression Of Band Width Or Redundancy In Fax (AREA)
- Image Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB909006080A GB9006080D0 (en) | 1990-03-17 | 1990-03-17 | Progressive encoding |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69115738D1 true DE69115738D1 (de) | 1996-02-08 |
DE69115738T2 DE69115738T2 (de) | 1996-05-15 |
Family
ID=10672817
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69115738T Expired - Fee Related DE69115738T2 (de) | 1990-03-17 | 1991-02-20 | Verfahren zur Kodierung von Bilddaten |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0448226B1 (de) |
JP (1) | JP3213012B2 (de) |
AU (1) | AU631975B2 (de) |
DE (1) | DE69115738T2 (de) |
GB (1) | GB9006080D0 (de) |
ZA (1) | ZA911411B (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08107506A (ja) * | 1994-10-07 | 1996-04-23 | Mita Ind Co Ltd | 通信装置 |
ATE509330T1 (de) * | 1999-12-04 | 2011-05-15 | Luratech Imaging Gmbh | Verfahren zur kompression von gescannten farb- und/oder graustufendokumenten |
DE19958553A1 (de) | 1999-12-04 | 2001-06-07 | Luratech Ges Fuer Luft Und Rau | Verfahren zur Kompression von gescannten Farb- und/oder Graustufendokumenten |
JP6569242B2 (ja) * | 2015-02-27 | 2019-09-04 | 富士ゼロックス株式会社 | 画像処理装置、画像処理システム及び画像処理プログラム |
CN114663268B (zh) * | 2022-02-25 | 2024-06-21 | 淮阴工学院 | 基于改进位平面分解和差值扩展的可逆图像水印算法 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2583043B2 (ja) * | 1984-12-06 | 1997-02-19 | 大日本スクリ−ン製造株式会社 | 画像データ圧縮装置 |
US4648119A (en) * | 1985-03-18 | 1987-03-03 | Tektronix, Inc. | Method and apparatus for forming 3×3 pixel arrays and for performing programmable pattern contingent modifications of those arrays |
JPH0824341B2 (ja) * | 1985-10-28 | 1996-03-06 | 株式会社日立製作所 | 画像データ符号化方法 |
GB8630887D0 (en) * | 1986-12-24 | 1987-02-04 | Philips Electronic Associated | Encoding & displaying pictures |
JPH02177766A (ja) * | 1988-12-28 | 1990-07-10 | Canon Inc | 2値画像の階層的符号化方式 |
US4979049A (en) * | 1989-06-01 | 1990-12-18 | At&T Bell Laboratories | Efficient encoding/decoding in the decomposition and recomposition of a high resolution image utilizing its low resolution replica |
US5109438A (en) * | 1990-04-25 | 1992-04-28 | Hughes Aircraft Company | Data compression system and method |
-
1990
- 1990-03-17 GB GB909006080A patent/GB9006080D0/en active Pending
-
1991
- 1991-02-20 DE DE69115738T patent/DE69115738T2/de not_active Expired - Fee Related
- 1991-02-20 EP EP91301319A patent/EP0448226B1/de not_active Expired - Lifetime
- 1991-02-26 ZA ZA911411A patent/ZA911411B/xx unknown
- 1991-03-14 JP JP04945791A patent/JP3213012B2/ja not_active Expired - Fee Related
- 1991-03-15 AU AU72941/91A patent/AU631975B2/en not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
EP0448226A3 (en) | 1992-12-09 |
GB9006080D0 (en) | 1990-05-16 |
AU631975B2 (en) | 1992-12-10 |
JPH04222171A (ja) | 1992-08-12 |
DE69115738T2 (de) | 1996-05-15 |
EP0448226A2 (de) | 1991-09-25 |
JP3213012B2 (ja) | 2001-09-25 |
AU7294191A (en) | 1991-09-19 |
ZA911411B (en) | 1991-11-27 |
EP0448226B1 (de) | 1995-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |